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Add socks outbound

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This commit is contained in:
世界 2022-07-03 13:14:49 +08:00
parent ef5cfd59d4
commit 70c0812606
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GPG key ID: CD109927C34A63C4
10 changed files with 122 additions and 28 deletions
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1
adapter/inbound/default.go
View file

@ -181,6 +181,7 @@ func (a *myInboundAdapter) loopUDPInThreadSafe() {
buffer := buf.NewPacket()
n, addr, err := a.udpConn.ReadFromUDPAddrPort(buffer.FreeBytes())
if err != nil {
buffer.Release()
return
}
buffer.Truncate(n)

2
adapter/outbound.go
View file

@ -11,7 +11,7 @@ import (
type Outbound interface {
Type() string
Tag() string
N.Dialer
NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error
NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error
N.Dialer
}

2
adapter/outbound/builder.go
View file

@ -24,6 +24,8 @@ func New(router adapter.Router, logger log.Logger, index int, options option.Out
switch options.Type {
case C.TypeDirect:
return NewDirect(router, outboundLogger, options.Tag, options.DirectOptions), nil
case C.TypeSocks:
return NewSocks(router, outboundLogger, options.Tag, options.SocksOptions)
case C.TypeShadowsocks:
return NewShadowsocks(router, outboundLogger, options.Tag, options.ShadowsocksOptions)
default:

6
adapter/outbound/default.go
View file

@ -44,7 +44,7 @@ func (d *defaultDialer) DialContext(ctx context.Context, network string, address
return d.Dialer.DialContext(ctx, network, address.String())
}
func (d *defaultDialer) ListenPacket(ctx context.Context) (net.PacketConn, error) {
func (d *defaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return d.ListenConfig.ListenPacket(ctx, "udp", "")
}
@ -105,12 +105,12 @@ func (d *lazyDialer) DialContext(ctx context.Context, network string, destinatio
return dialer.DialContext(ctx, network, destination)
}
func (d *lazyDialer) ListenPacket(ctx context.Context) (net.PacketConn, error) {
func (d *lazyDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
dialer, err := d.Dialer()
if err != nil {
return nil, err
}
return dialer.ListenPacket(ctx)
return dialer.ListenPacket(ctx, destination)
}
func CopyEarlyConn(ctx context.Context, conn net.Conn, serverConn net.Conn) error {

6
adapter/outbound/direct.go
View file

@ -63,9 +63,9 @@ func (d *Direct) DialContext(ctx context.Context, network string, destination M.
return d.dialer.DialContext(ctx, network, destination)
}
func (d *Direct) ListenPacket(ctx context.Context) (net.PacketConn, error) {
func (d *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
d.logger.WithContext(ctx).Info("outbound packet connection")
return d.dialer.ListenPacket(ctx)
return d.dialer.ListenPacket(ctx, destination)
}
func (d *Direct) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
@ -77,7 +77,7 @@ func (d *Direct) NewConnection(ctx context.Context, conn net.Conn, destination M
}
func (d *Direct) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
outConn, err := d.ListenPacket(ctx)
outConn, err := d.ListenPacket(ctx, destination)
if err != nil {
return err
}

36
adapter/outbound/shadowsocks.go
View file

@ -47,22 +47,6 @@ func NewShadowsocks(router adapter.Router, logger log.Logger, tag string, option
return outbound, nil
}
func (o *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
serverConn, err := o.DialContext(ctx, "tcp", destination)
if err != nil {
return err
}
return CopyEarlyConn(ctx, conn, serverConn)
}
func (o *Shadowsocks) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
serverConn, err := o.ListenPacket(ctx)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn))
}
func (o *Shadowsocks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
switch network {
case C.NetworkTCP:
@ -84,11 +68,27 @@ func (o *Shadowsocks) DialContext(ctx context.Context, network string, destinati
}
}
func (o *Shadowsocks) ListenPacket(ctx context.Context) (net.PacketConn, error) {
func (o *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
o.logger.WithContext(ctx).Info("outbound packet connection to ", o.serverAddr)
outConn, err := o.dialer.ListenPacket(ctx)
outConn, err := o.dialer.ListenPacket(ctx, destination)
if err != nil {
return nil, err
}
return o.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: outConn, Addr: o.serverAddr.UDPAddr()}), nil
}
func (o *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
serverConn, err := o.DialContext(ctx, "tcp", destination)
if err != nil {
return err
}
return CopyEarlyConn(ctx, conn, serverConn)
}
func (o *Shadowsocks) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
serverConn, err := o.ListenPacket(ctx, destination)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn))
}

78
adapter/outbound/socks.go Normal file
View file

@ -0,0 +1,78 @@
package outbound
import (
"context"
"net"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/protocol/socks"
)
var _ adapter.Outbound = (*Socks)(nil)
type Socks struct {
myOutboundAdapter
client *socks.Client
}
func NewSocks(router adapter.Router, logger log.Logger, tag string, options option.SocksOutboundOptions) (*Socks, error) {
dialer := NewDialer(router, options.DialerOptions)
var version socks.Version
var err error
if options.Version != "" {
version, err = socks.ParseVersion(options.Version)
} else {
version = socks.Version5
}
if err != nil {
return nil, err
}
return &Socks{
myOutboundAdapter{
protocol: C.TypeSocks,
logger: logger,
tag: tag,
dialer: dialer,
},
socks.NewClient(dialer, M.ParseSocksaddrHostPort(options.Server, options.ServerPort), version, options.Username, options.Password),
}, nil
}
func (h *Socks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
switch network {
case C.NetworkTCP:
h.logger.WithContext(ctx).Info("outbound connection to ", destination)
case C.NetworkUDP:
h.logger.WithContext(ctx).Info("outbound packet connection to ", destination)
default:
panic("unknown network " + network)
}
return h.client.DialContext(ctx, network, destination)
}
func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
h.logger.WithContext(ctx).Info("outbound packet connection to ", destination)
return h.client.ListenPacket(ctx, destination)
}
func (h *Socks) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
outConn, err := h.DialContext(ctx, "tcp", destination)
if err != nil {
return err
}
return bufio.CopyConn(ctx, conn, outConn)
}
func (h *Socks) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
outConn, err := h.ListenPacket(ctx, destination)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
}

2
go.mod
View file

@ -7,7 +7,7 @@ require (
github.com/goccy/go-json v0.9.8
github.com/logrusorgru/aurora v2.0.3+incompatible
github.com/oschwald/geoip2-golang v1.7.0
github.com/sagernet/sing v0.0.0-20220703025722-d002d5ba3ba5
github.com/sagernet/sing v0.0.0-20220703051339-f128942ffe12
github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649
github.com/sirupsen/logrus v1.8.1
github.com/spf13/cobra v1.5.0

4
go.sum
View file

@ -20,8 +20,8 @@ github.com/oschwald/maxminddb-golang v1.9.0/go.mod h1:TK+s/Z2oZq0rSl4PSeAEoP0bgm
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/sagernet/sing v0.0.0-20220703025722-d002d5ba3ba5 h1:0oNnpN43Z6TXDdea5tbKIXXJ62yJqTpOW4IyQSgN3KY=
github.com/sagernet/sing v0.0.0-20220703025722-d002d5ba3ba5/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
github.com/sagernet/sing v0.0.0-20220703051339-f128942ffe12 h1:HN3IoHyR2tpI4WwBVSDo5VJ0tKrQKqltkjlHTG9vbdo=
github.com/sagernet/sing v0.0.0-20220703051339-f128942ffe12/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 h1:whNDUGOAX5GPZkSy4G3Gv9QyIgk5SXRyjkRuP7ohF8k=
github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=

13
option/outbound.go
View file

@ -10,6 +10,7 @@ type _Outbound struct {
Tag string `json:"tag,omitempty"`
Type string `json:"type,omitempty"`
DirectOptions DirectOutboundOptions `json:"-"`
SocksOptions SocksOutboundOptions `json:"-"`
ShadowsocksOptions ShadowsocksOutboundOptions `json:"-"`
}
@ -20,6 +21,8 @@ func (h Outbound) MarshalJSON() ([]byte, error) {
switch h.Type {
case "direct":
v = h.DirectOptions
case "socks":
v = h.SocksOptions
case "shadowsocks":
v = h.ShadowsocksOptions
default:
@ -37,6 +40,8 @@ func (h *Outbound) UnmarshalJSON(bytes []byte) error {
switch h.Type {
case "direct":
v = &h.DirectOptions
case "socks":
v = &h.SocksOptions
case "shadowsocks":
v = &h.ShadowsocksOptions
default:
@ -73,6 +78,14 @@ func (o ServerOptions) Build() M.Socksaddr {
return M.ParseSocksaddrHostPort(o.Server, o.ServerPort)
}
type SocksOutboundOptions struct {
DialerOptions
ServerOptions
Version string `json:"version,omitempty"`
Username string `json:"username,omitempty"`
Password string `json:"password,omitempty"`
}
type ShadowsocksOutboundOptions struct {
DialerOptions
ServerOptions